Home / 19,139.97-26,412.08-10,756.47

Finding the Fourth Proportional to 19,139.97, 26,412.08 and 10,756.47

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Solution

The fourth proportional to 19,139.97, 26,412.08 and 10,756.47 is: 14,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.97 : 26,412.08 = 10,756.47 : x
  2. Step 2: Convert to fraction form
    19,139.97/26,412.08 = 10,756.47/x
  3. Step 3: Cross multiply
    19,139.97x = 26,412.08 × 10,756.47
  4. Step 4: Simplify right side
    19,139.97x = 284,100,614.10
  5. Step 5: Solve for x
    x = 284,100,614.10/19,139.97
  6. Step 6: Final answer
    x = 14,843.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.